How to Take care of my IBM ThinkPad R40e Series(Not Applicable ThinkPad R40,R32,R31,R30 Series) laptop battery?
Do not leave your IBM ThinkPad R40e Series(Not Applicable ThinkPad R40,R32,R31,R30 Series) laptop battery dormant for long periods of time.You'd better use your battery at least once every two or three weeks.

How to deal with my IBM ThinkPad R40e Series(Not Applicable ThinkPad R40,R32,R31,R30 Series) laptop battery when it not in use?
For some reasons.You will not use the battery for a month or more days.You should put it in a clean,dry and cool place.When you do it.Please ensure the battery has at least 70% charge remaining.As the battery will do a slow self-discharge.We don't suggest you store it for a very long time.